./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e69f95b0fef10f16491ef0643f356fc9a423cbadeacb884cb09bfeb3b1c56f60 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 19:12:35,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:12:35,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:12:35,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:12:35,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:12:35,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:12:35,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:12:35,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:12:35,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:12:35,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:12:35,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:12:35,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:12:35,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:12:35,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:12:35,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:12:35,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:12:35,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:12:35,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:12:35,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:12:35,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:12:35,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:12:35,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:12:35,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:12:35,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:12:35,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:12:35,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:12:35,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:12:35,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:12:35,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:12:35,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:12:35,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:12:35,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:12:35,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:12:35,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:12:35,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:12:35,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:12:35,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:12:35,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:12:35,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:12:35,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:12:35,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:12:35,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 19:12:35,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:12:35,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:12:35,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:12:35,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:12:35,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:12:35,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:12:35,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:12:35,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:12:35,060 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:12:35,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:12:35,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:12:35,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:12:35,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:12:35,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:12:35,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:12:35,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:12:35,061 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:12:35,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:12:35,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:12:35,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:12:35,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:12:35,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:12:35,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:12:35,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:12:35,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:12:35,062 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e69f95b0fef10f16491ef0643f356fc9a423cbadeacb884cb09bfeb3b1c56f60 [2022-12-13 19:12:35,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:12:35,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:12:35,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:12:35,275 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:12:35,275 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:12:35,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_bad.i [2022-12-13 19:12:37,813 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:12:38,035 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:12:38,035 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_bad.i [2022-12-13 19:12:38,048 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/data/d5bb87754/17c3b46fa62546dba8a843b618f7a23b/FLAG7cb669c6d [2022-12-13 19:12:38,405 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/data/d5bb87754/17c3b46fa62546dba8a843b618f7a23b [2022-12-13 19:12:38,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:12:38,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:12:38,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:12:38,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:12:38,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:12:38,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:12:38" (1/1) ... [2022-12-13 19:12:38,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5057f98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:38, skipping insertion in model container [2022-12-13 19:12:38,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:12:38" (1/1) ... [2022-12-13 19:12:38,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:12:38,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:12:38,777 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:12:39,049 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:12:39,053 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:12:39,055 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:12:39,056 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:12:39,057 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:12:39,078 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:12:39,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:12:39,086 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:12:39,099 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:12:39,126 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:12:39,127 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:12:39,128 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:12:39,130 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:12:39,130 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:12:39,135 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:12:39,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:12:39,244 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:12:39,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39 WrapperNode [2022-12-13 19:12:39,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:12:39,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:12:39,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:12:39,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:12:39,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,292 INFO L138 Inliner]: procedures = 499, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2022-12-13 19:12:39,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:12:39,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:12:39,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:12:39,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:12:39,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:12:39,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:12:39,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:12:39,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:12:39,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (1/1) ... [2022-12-13 19:12:39,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:12:39,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:39,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:12:39,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:12:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 19:12:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 19:12:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:12:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:12:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:12:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:12:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:12:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:12:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 19:12:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:12:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:12:39,490 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:12:39,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:12:39,616 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:12:39,620 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:12:39,620 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:12:39,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:39 BoogieIcfgContainer [2022-12-13 19:12:39,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:12:39,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:12:39,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:12:39,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:12:39,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:12:38" (1/3) ... [2022-12-13 19:12:39,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdc39ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:12:39, skipping insertion in model container [2022-12-13 19:12:39,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:39" (2/3) ... [2022-12-13 19:12:39,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdc39ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:12:39, skipping insertion in model container [2022-12-13 19:12:39,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:39" (3/3) ... [2022-12-13 19:12:39,628 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_34_bad.i [2022-12-13 19:12:39,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:12:39,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 19:12:39,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:12:39,683 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7af8c0b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:12:39,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 19:12:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:12:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 19:12:39,692 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:39,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:39,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:12:39,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:39,698 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 19:12:39,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:39,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989513684] [2022-12-13 19:12:39,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:39,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:12:39,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:12:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:12:39,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:12:39,916 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:12:39,917 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 19:12:39,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 19:12:39,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:12:39,922 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 19:12:39,926 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:12:39,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:12:39 BoogieIcfgContainer [2022-12-13 19:12:39,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:12:39,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:12:39,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:12:39,952 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:12:39,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:39" (3/4) ... [2022-12-13 19:12:39,955 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:12:39,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:12:39,956 INFO L158 Benchmark]: Toolchain (without parser) took 1541.34ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 88.6MB in the beginning and 65.5MB in the end (delta: 23.2MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2022-12-13 19:12:39,956 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:12:39,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.23ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 88.3MB in the beginning and 105.3MB in the end (delta: -17.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2022-12-13 19:12:39,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.39ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 102.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:39,958 INFO L158 Benchmark]: Boogie Preprocessor took 20.42ms. Allocated memory is still 155.2MB. Free memory was 102.3MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:39,959 INFO L158 Benchmark]: RCFGBuilder took 307.58ms. Allocated memory is still 155.2MB. Free memory was 100.3MB in the beginning and 86.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:12:39,959 INFO L158 Benchmark]: TraceAbstraction took 328.18ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 66.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 19:12:39,959 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 155.2MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:12:39,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.23ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 88.3MB in the beginning and 105.3MB in the end (delta: -17.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.39ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 102.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.42ms. Allocated memory is still 155.2MB. Free memory was 102.3MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.58ms. Allocated memory is still 155.2MB. Free memory was 100.3MB in the beginning and 86.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 328.18ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 66.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 155.2MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1558, overapproximation of bitwiseAnd at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1572] RET printLine("Calling bad()...") VAL [\old(argc)=2147483652, argc=2147483652, argv={2147483650:2147483653}, argv={2147483650:2147483653}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE191_Integer_Underflow__int_rand_multiply_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_multiply_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}, rand()=0, rand()=1, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483648] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1562] COND TRUE data < 0 VAL [data=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] [L1564] data * 2 VAL [data=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] - UnprovableResult [Line: 1564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 19:12:39,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e69f95b0fef10f16491ef0643f356fc9a423cbadeacb884cb09bfeb3b1c56f60 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 19:12:41,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:12:41,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:12:41,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:12:41,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:12:41,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:12:41,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:12:41,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:12:41,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:12:41,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:12:41,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:12:41,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:12:41,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:12:41,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:12:41,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:12:41,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:12:41,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:12:41,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:12:41,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:12:41,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:12:41,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:12:41,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:12:41,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:12:41,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:12:41,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:12:41,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:12:41,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:12:41,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:12:41,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:12:41,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:12:41,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:12:41,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:12:41,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:12:41,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:12:41,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:12:41,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:12:41,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:12:41,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:12:41,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:12:41,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:12:41,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:12:41,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 19:12:41,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:12:41,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:12:41,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:12:41,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:12:41,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:12:41,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:12:41,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:12:41,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:12:41,639 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:12:41,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:12:41,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:12:41,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:12:41,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:12:41,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:12:41,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:12:41,640 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 19:12:41,640 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 19:12:41,640 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:12:41,640 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 19:12:41,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:12:41,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:12:41,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:12:41,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:12:41,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:12:41,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:12:41,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:12:41,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:12:41,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:12:41,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:12:41,642 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 19:12:41,642 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 19:12:41,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:12:41,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:12:41,642 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:12:41,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:12:41,642 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 19:12:41,642 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:12:41,643 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e69f95b0fef10f16491ef0643f356fc9a423cbadeacb884cb09bfeb3b1c56f60 [2022-12-13 19:12:41,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:12:41,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:12:41,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:12:41,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:12:41,884 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:12:41,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_bad.i [2022-12-13 19:12:44,352 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:12:44,558 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:12:44,559 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_bad.i [2022-12-13 19:12:44,572 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/data/55e8e4e8d/470df33aa88a4c2abbaae2c95f4c01e4/FLAG504da062c [2022-12-13 19:12:44,901 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/data/55e8e4e8d/470df33aa88a4c2abbaae2c95f4c01e4 [2022-12-13 19:12:44,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:12:44,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:12:44,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:12:44,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:12:44,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:12:44,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:12:44" (1/1) ... [2022-12-13 19:12:44,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7162199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:44, skipping insertion in model container [2022-12-13 19:12:44,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:12:44" (1/1) ... [2022-12-13 19:12:44,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:12:44,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:12:45,185 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:12:45,472 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:12:45,476 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:12:45,477 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:12:45,479 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:12:45,480 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:12:45,499 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:12:45,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:12:45,511 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:12:45,526 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:12:45,565 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:12:45,566 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:12:45,567 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:12:45,568 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:12:45,569 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:12:45,574 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:12:45,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:12:45,674 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:12:45,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45 WrapperNode [2022-12-13 19:12:45,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:12:45,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:12:45,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:12:45,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:12:45,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,712 INFO L138 Inliner]: procedures = 504, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2022-12-13 19:12:45,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:12:45,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:12:45,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:12:45,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:12:45,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,731 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:12:45,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:12:45,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:12:45,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:12:45,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (1/1) ... [2022-12-13 19:12:45,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:12:45,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:45,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:12:45,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:12:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 19:12:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 19:12:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:12:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 19:12:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:12:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:12:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:12:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 19:12:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:12:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 19:12:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 19:12:45,901 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:12:45,902 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:12:46,023 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:12:46,028 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:12:46,028 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:12:46,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:46 BoogieIcfgContainer [2022-12-13 19:12:46,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:12:46,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:12:46,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:12:46,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:12:46,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:12:44" (1/3) ... [2022-12-13 19:12:46,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2056b00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:12:46, skipping insertion in model container [2022-12-13 19:12:46,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:45" (2/3) ... [2022-12-13 19:12:46,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2056b00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:12:46, skipping insertion in model container [2022-12-13 19:12:46,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:46" (3/3) ... [2022-12-13 19:12:46,035 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_34_bad.i [2022-12-13 19:12:46,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:12:46,049 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 19:12:46,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:12:46,085 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51077598, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:12:46,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 19:12:46,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 19:12:46,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 19:12:46,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:12:46,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:46,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 19:12:46,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:46,098 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 19:12:46,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:12:46,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206296296] [2022-12-13 19:12:46,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:46,108 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:12:46,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:12:46,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 19:12:46,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 19:12:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:12:46,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:12:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:12:46,281 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 19:12:46,282 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:12:46,283 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 19:12:46,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 19:12:46,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:12:46,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 19:12:46,492 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 19:12:46,500 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:12:46,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:12:46 BoogieIcfgContainer [2022-12-13 19:12:46,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:12:46,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:12:46,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:12:46,530 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:12:46,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:46" (3/4) ... [2022-12-13 19:12:46,532 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 19:12:46,564 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:12:46,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:12:46,566 INFO L158 Benchmark]: Toolchain (without parser) took 1661.25ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 32.9MB in the beginning and 61.4MB in the end (delta: -28.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-12-13 19:12:46,566 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:12:46,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.35ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 32.7MB in the beginning and 73.0MB in the end (delta: -40.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 19:12:46,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.38ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 69.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:46,568 INFO L158 Benchmark]: Boogie Preprocessor took 21.80ms. Allocated memory is still 100.7MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:46,568 INFO L158 Benchmark]: RCFGBuilder took 295.03ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 53.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:12:46,568 INFO L158 Benchmark]: TraceAbstraction took 498.58ms. Allocated memory is still 100.7MB. Free memory was 53.0MB in the beginning and 63.6MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:12:46,569 INFO L158 Benchmark]: Witness Printer took 34.68ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:46,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.35ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 32.7MB in the beginning and 73.0MB in the end (delta: -40.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.38ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 69.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.80ms. Allocated memory is still 100.7MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.03ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 53.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 498.58ms. Allocated memory is still 100.7MB. Free memory was 53.0MB in the beginning and 63.6MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.68ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1564]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1572] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE191_Integer_Underflow__int_rand_multiply_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_multiply_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}, rand()=1, rand()=0, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1562] COND TRUE data < 0 VAL [data=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] [L1564] data * 2 VAL [data=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] - UnprovableResult [Line: 1564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 19:12:46,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86913298-f547-4628-804f-5c79bb35d64c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)